redline | 89a5f32eeea38b1f18e8780bfdf95e5602fa66195c33460d55871e6edfbb8351

General

Target

37e5097a138728324bb9a79be78492ee.exe
Size

667KB
MD5

37e5097a138728324bb9a79be78492ee
SHA1

ffcb62fee234b89573995099b769e5bd1b2014b6
SHA256

89a5f32eeea38b1f18e8780bfdf95e5602fa66195c33460d55871e6edfbb8351
SHA512

08def13baa4efbaf22fdb78750f65bf827403d1c4668ef96d72602797c33be2a2ee22d82ca58d149174bdccd200a04bc978f3c44fc25632869e613b6cac2e4c0

Score

10^/10

redline discovery infostealer spyware

Malware Config

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1020-18-0x00000000004B0000-0x00000000004D4000-memory.dmp	family_redline
behavioral1/memory/1020-20-0x00000000004E0000-0x0000000000502000-memory.dmp	family_redline
behavioral1/memory/1036-25-0x00000000003D0000-0x00000000003F4000-memory.dmp	family_redline
behavioral1/memory/1036-31-0x0000000003E10000-0x0000000003E32000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

bestof.exebestofd.exe

pid process

1700 bestof.exe
1036 bestofd.exe
Loads dropped DLL 2 IoCs

Processes:

37e5097a138728324bb9a79be78492ee.exe

pid process

1032 37e5097a138728324bb9a79be78492ee.exe
1032 37e5097a138728324bb9a79be78492ee.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

10 ip-api.com
18 checkip.amazonaws.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

bestof.exe

description pid process target process

PID 1700 set thread context of 1020 1700 bestof.exe AddInProcess32.exe

pid	process
1700	bestof.exe
1036	bestofd.exe

pid	process
1032	37e5097a138728324bb9a79be78492ee.exe
1032	37e5097a138728324bb9a79be78492ee.exe

flow	ioc
10	ip-api.com
18	checkip.amazonaws.com

description	pid	process	target process
PID 1700 set thread context of 1020	1700	bestof.exe	AddInProcess32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

37e5097a138728324bb9a79be78492ee.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	37e5097a138728324bb9a79be78492ee.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	37e5097a138728324bb9a79be78492ee.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

37e5097a138728324bb9a79be78492ee.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	37e5097a138728324bb9a79be78492ee.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	37e5097a138728324bb9a79be78492ee.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXE

pid process

1176 PING.EXE
1816 PING.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

AddInProcess32.exebestofd.exe

pid process

1020 AddInProcess32.exe
1036 bestofd.exe
1020 AddInProcess32.exe
1036 bestofd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bestof.exeAddInProcess32.exebestofd.exe

description pid process

Token: SeDebugPrivilege 1700 bestof.exe
Token: SeDebugPrivilege 1020 AddInProcess32.exe
Token: SeDebugPrivilege 1036 bestofd.exe

pid	process
1176	PING.EXE
1816	PING.EXE

pid	process
1020	AddInProcess32.exe
1036	bestofd.exe
1020	AddInProcess32.exe
1036	bestofd.exe

description	pid	process
Token: SeDebugPrivilege	1700	bestof.exe
Token: SeDebugPrivilege	1020	AddInProcess32.exe
Token: SeDebugPrivilege	1036	bestofd.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

37e5097a138728324bb9a79be78492ee.exebestof.exeAddInProcess32.execmd.exebestofd.execmd.exe

description	pid	process	target process
PID 1032 wrote to memory of 1700	1032	37e5097a138728324bb9a79be78492ee.exe	bestof.exe
PID 1032 wrote to memory of 1700	1032	37e5097a138728324bb9a79be78492ee.exe	bestof.exe
PID 1032 wrote to memory of 1700	1032	37e5097a138728324bb9a79be78492ee.exe	bestof.exe
PID 1032 wrote to memory of 1700	1032	37e5097a138728324bb9a79be78492ee.exe	bestof.exe
PID 1032 wrote to memory of 1036	1032	37e5097a138728324bb9a79be78492ee.exe	bestofd.exe
PID 1032 wrote to memory of 1036	1032	37e5097a138728324bb9a79be78492ee.exe	bestofd.exe
PID 1032 wrote to memory of 1036	1032	37e5097a138728324bb9a79be78492ee.exe	bestofd.exe
PID 1032 wrote to memory of 1036	1032	37e5097a138728324bb9a79be78492ee.exe	bestofd.exe
PID 1700 wrote to memory of 816	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 816	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 816	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 816	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1700 wrote to memory of 1020	1700	bestof.exe	AddInProcess32.exe
PID 1020 wrote to memory of 700	1020	AddInProcess32.exe	cmd.exe
PID 1020 wrote to memory of 700	1020	AddInProcess32.exe	cmd.exe
PID 1020 wrote to memory of 700	1020	AddInProcess32.exe	cmd.exe
PID 1020 wrote to memory of 700	1020	AddInProcess32.exe	cmd.exe
PID 700 wrote to memory of 1176	700	cmd.exe	PING.EXE
PID 700 wrote to memory of 1176	700	cmd.exe	PING.EXE
PID 700 wrote to memory of 1176	700	cmd.exe	PING.EXE
PID 700 wrote to memory of 1176	700	cmd.exe	PING.EXE
PID 1036 wrote to memory of 1820	1036	bestofd.exe	cmd.exe
PID 1036 wrote to memory of 1820	1036	bestofd.exe	cmd.exe
PID 1036 wrote to memory of 1820	1036	bestofd.exe	cmd.exe
PID 1036 wrote to memory of 1820	1036	bestofd.exe	cmd.exe
PID 1820 wrote to memory of 1816	1820	cmd.exe	PING.EXE
PID 1820 wrote to memory of 1816	1820	cmd.exe	PING.EXE
PID 1820 wrote to memory of 1816	1820	cmd.exe	PING.EXE
PID 1820 wrote to memory of 1816	1820	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\37e5097a138728324bb9a79be78492ee.exe
"C:\Users\Admin\AppData\Local\Temp\37e5097a138728324bb9a79be78492ee.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1032

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
bestof.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
3⤵
PID:816

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1020

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
4⤵
- Suspicious use of WriteProcessMemory
PID:700

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
5⤵
- Runs ping.exe
PID:1176

C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
bestofd.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
3⤵
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
b77a1d58626a5d4a77202afbf717accb

SHA1
1a37bf11e2b75384785d05780fe17fe1167bfbb1

SHA256
a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13

SHA512
d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26

Download Submit
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
b77a1d58626a5d4a77202afbf717accb

SHA1
1a37bf11e2b75384785d05780fe17fe1167bfbb1

SHA256
a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13

SHA512
d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26

Download Submit
C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
MD5
72131adb0e2315281aae445db11e09a2

SHA1
712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e

SHA256
9ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65

SHA512
bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22

Download Submit
\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
b77a1d58626a5d4a77202afbf717accb

SHA1
1a37bf11e2b75384785d05780fe17fe1167bfbb1

SHA256
a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13

SHA512
d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26

Download Submit
\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
MD5
72131adb0e2315281aae445db11e09a2

SHA1
712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e

SHA256
9ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65

SHA512
bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22

Download Submit
memory/700-32-0x0000000000000000-mapping.dmp

Download
memory/1020-16-0x0000000001FB0000-0x0000000001FC1000-memory.dmp

Filesize
68KB

Download
memory/1020-20-0x00000000004E0000-0x0000000000502000-memory.dmp

Filesize
136KB

Download
memory/1020-18-0x00000000004B0000-0x00000000004D4000-memory.dmp

Filesize
144KB

Download
memory/1020-17-0x0000000073B40000-0x000000007422E000-memory.dmp

Filesize
6.9MB

Download
memory/1020-13-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1020-14-0x000000000040CD2F-mapping.dmp

Download
memory/1020-15-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1032-0-0x0000000002444000-0x0000000002455000-memory.dmp

Filesize
68KB

Download
memory/1032-1-0x00000000026E0000-0x00000000026F1000-memory.dmp

Filesize
68KB

Download
memory/1036-23-0x0000000003E90000-0x0000000003EA1000-memory.dmp

Filesize
68KB

Download
memory/1036-24-0x0000000073B40000-0x000000007422E000-memory.dmp

Filesize
6.9MB

Download
memory/1036-31-0x0000000003E10000-0x0000000003E32000-memory.dmp

Filesize
136KB

Download
memory/1036-25-0x00000000003D0000-0x00000000003F4000-memory.dmp

Filesize
144KB

Download
memory/1036-21-0x00000000024D9000-0x00000000024DA000-memory.dmp

Filesize
4KB

Download
memory/1036-22-0x0000000003CD0000-0x0000000003CE1000-memory.dmp

Filesize
68KB

Download
memory/1036-11-0x0000000000000000-mapping.dmp

Download
memory/1176-33-0x0000000000000000-mapping.dmp

Download
memory/1612-2-0x000007FEF71F0000-0x000007FEF746A000-memory.dmp

Filesize
2.5MB

Download
memory/1700-4-0x0000000000000000-mapping.dmp

Download
memory/1700-7-0x0000000073B40000-0x000000007422E000-memory.dmp

Filesize
6.9MB

Download
memory/1700-8-0x00000000012A0000-0x00000000012A1000-memory.dmp

Filesize
4KB

Download
memory/1816-35-0x0000000000000000-mapping.dmp

Download
memory/1820-34-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads